Lemma
MediumInequalities
OpenStax, Algebra and Trigonometry 2e §2.7 Linear Inequalities and Absolute Value Inequalities · Exercise 47 · Algebra · Inequalities

Linear Inequalities and Absolute Value Inequalities · Exercise 47

Write the interval in set-builder notation.

~8 minWritten answer · check your work with Lemma

OpenStax, Algebra and Trigonometry 2e · §2.7 Linear Inequalities and Absolute Value Inequalities · Exercise 47

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.